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Numerical investigation of flow phenomena in radial-flow pump at low NPSH value
Sedlář, M. ; Maršík, František ; Šafařík, Pavel ; Zima, Patrik
Cavitating flow in the impeller of a single-stage radial-flow pump at optimal flow rate and different values of NPSH (Net Positive Suction Head) is analyzed numerically using the VOF model of CFX-TASCflow. The size and the shape of the cavitation regions near NPSH3 agree well with the cavitation visualization inside the impeller at similar flow conditions.

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